<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="所属项目" prop="projectName">
        <el-select
          v-model="queryParams.projectId"
          filterable
          clearable
          placeholder="请选择项目"
          @keyup.enter.native="handleQuery"
          @change="handleQuery"
        >
          <el-option
            v-for="item in projectList"
            :key="item.id"
            :label="item.projectName"
            :value="item.id"
          >
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="节点名称" prop="nodeName">
        <el-input
          v-model="queryParams.nodeName"
          placeholder="请输入节点名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['bussiness:projectNode:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-sort"
          size="mini"
          @click="toggleExpandAll"
          >展开/折叠</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-if="refreshTable"
      v-loading="loading"
      :data="projectNodeList"
      row-key="id"
      :default-expand-all="isExpandAll"
      :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
    >
      <el-table-column label="节点名称" align="left" prop="nodeName" />
      <el-table-column label="所属项目" align="left" prop="projectName" />
      <el-table-column label="节点信息" align="center" prop="info" />
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['bussiness:projectNode:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['bussiness:projectNode:add']"
            >新增</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-if="!scope.row.children || scope.row.children.length == 0"
            v-hasPermi="['bussiness:projectNode:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改项目节点对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="所属项目" prop="projectId">
          <el-select
            v-model="form.projectId"
            filterable
            clearable
            placeholder="请选择项目"
            :disabled="form.id || form.parentId > 0"
            style="width: 100%"
          >
            <el-option
              v-for="item in projectList"
              :key="item.id"
              :label="item.projectName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="父级节点" prop="parentId">
          <treeselect
            v-model="form.parentId"
            :options="projectNodeOptions"
            :normalizer="normalizer"
            placeholder="请选择父级节点"
            disabled
          />
        </el-form-item>
        <el-form-item label="节点名称" prop="nodeName">
          <el-input v-model="form.nodeName" placeholder="请输入节点名称" />
        </el-form-item>
        <el-form-item label="节点信息" prop="info">
          <el-input
            v-model="form.info"
            type="textarea"
            placeholder="请输入内容"
          />
        </el-form-item>
        <el-form-item label="排序" prop="orderNum">
          <el-input-number
            v-model="form.orderNum"
            :min="1"
            :max="999"
          ></el-input-number>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listProjectNode,
  getProjectNode,
  delProjectNode,
  addProjectNode,
  updateProjectNode,
  listProject,
} from "@/api/bussiness/projectNode";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

export default {
  name: "ProjectNode",
  components: {
    Treeselect,
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 所属项目
      projectList: [],
      // 项目节点表格数据
      projectNodeList: [],
      // 项目节点树选项
      projectNodeOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部展开
      isExpandAll: true,
      // 重新渲染表格状态
      refreshTable: true,
      // 查询参数
      queryParams: {
        projectId: null,
        nodeName: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        projectId: [
          {
            required: true,
            message: "请选择所属项目",
          },
        ],
        nodeName: [
          { required: true, message: "节点名称不能为空", trigger: "blur" },
        ],
        parentId: [
          {
            required: true,
            message: "父级节点不能为空",
            trigger: "change",
            type: "number",
          },
        ],
      },
    };
  },
  created() {
    this.getList();
    this.listProject();
  },
  methods: {
    listProject() {
      listProject().then((res) => {
        this.projectList = res.data;
      });
    },
    /** 查询项目节点列表 */
    getList() {
      this.loading = true;
      listProjectNode(this.queryParams).then((response) => {
        this.projectNodeList = this.handleTree(response.data, "id", "parentId");
        this.loading = false;
      });
    },
    /** 转换项目节点数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.id,
        label: node.nodeName,
        children: node.children,
      };
    },
    /** 查询项目节点下拉树结构 */
    getTreeselect() {
      listProjectNode().then((response) => {
        this.projectNodeOptions = [];
        const data = { id: 0, nodeName: "顶级节点", children: [] };
        data.children = this.handleTree(response.data, "id", "parentId");
        this.projectNodeOptions.push(data);
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        projectId: null,
        nodeName: null,
        parentId: null,
        orderNum: null,
        info: null,
        companyId: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      this.getTreeselect();
      if (row != null && row.id) {
        this.form.parentId = row.id;
        this.form.projectId = row.projectId;
      } else {
        this.form.parentId = 0;
      }
      this.open = true;
      this.title = "添加项目节点";
    },
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false;
      this.isExpandAll = !this.isExpandAll;
      this.$nextTick(() => {
        this.refreshTable = true;
      });
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getTreeselect();
      if (row != null) {
        this.form.parentId = row.id;
      }
      getProjectNode(row.id).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改项目节点";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updateProjectNode(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addProjectNode(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$modal
        .confirm('是否确认删除项目节点编号为"' + row.id + '"的数据项？')
        .then(function () {
          return delProjectNode(row.id);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
  },
};
</script>
